<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>form3</title>
<script src="js/vue.min.js"></script>
</head>
<body>
<div id="app">
  <input type="radio" id="lz" value="Lz" v-model="picked">
  <label for="lz">Lz</label>
  <br>
  <input type="radio" id="google" value="Google" v-model="picked">
  <label for="google">Google</label>
  <br>
  <span>选中值为: {{ picked }}</span>
</div>

<script>
new Vue({
  el: '#app',
  data: {
    picked : 'Lz'
  }
})
</script>
</body>
</html>